55475573 has 12 divisors (see below), whose sum is σ = 62038560. Its totient is φ = 49459392.

The previous prime is 55475489. The next prime is 55475587. The reversal of 55475573 is 37557455.

It is not a de Polignac number, because 55475573 - 2¹² = 55471477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55475573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55475593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (5169880).

Almost surely, 2^55475573 is an apocalyptic number.

It is an amenable number.

55475573 is a deficient number, since it is larger than the sum of its proper divisors (6562987).

55475573 is a wasteful number, since it uses less digits than its factorization.

55475573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10156 (or 10139 counting only the distinct ones).

The product of its digits is 367500, while the sum is 41.

The square root of 55475573 is about 7448.1925995506. The cubic root of 55475573 is about 381.3882118974.

The spelling of 55475573 in words is "fifty-five million, four hundred seventy-five thousand, five hundred seventy-three".